<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">

      <el-form-item label="标题" prop="title">
        <el-input
          v-model="queryParams.title"
          placeholder="请输入标题"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="领取数量" prop="count">
        <el-input
          v-model="queryParams.count"
          placeholder="请输入领取数量"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>

      <el-form-item label="任务人" prop="taskPersonName">
        <el-input
          v-model="queryParams.taskPersonName"
          placeholder="请输入任务人"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['teacher:task:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['teacher:task:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['teacher:task:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['teacher:task:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="taskList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="任务标题" align="center" prop="title" />
      <el-table-column label="任务说明" align="center" prop="details" />
      <el-table-column label="任务状态" align="center" prop="status" >
        <template slot-scope="scope">
          <el-tag v-if="scope.row.status === 0" type="success">可领取</el-tag>
          <el-tag v-else-if="scope.row.status === 1" type="info">已领取</el-tag>
          <el-tag v-else-if="scope.row.status === 2" type="info">已完成</el-tag>
          <el-tag v-else-if="scope.row.status === 3" type="info">异常</el-tag>
        </template>
      </el-table-column>
      <el-table-column label="领取数量" align="center" prop="count" />
      <el-table-column label="一次性任务" align="center" prop="single">
        <template slot-scope="scope">
          <el-tag v-if="scope.row.single === 0" type="success">是</el-tag>
          <el-tag v-else-if="scope.row.single === 1" type="info">否</el-tag>
        </template>
        </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">

        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="getTaskHandle(scope.row)"
            v-hasPermi="['teacher:task:edit']"
          >领取任务</el-button>

          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['teacher:task:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['teacher:task:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />
    <!--领取任务    -->
    <el-dialog :title="title" :visible.sync="taskOpen" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="标题" prop="title">
          <el-input readonly   v-model="form.title" placeholder="请输入标题" />
        </el-form-item>
        <el-form-item label="任务详情" prop="details">
          <el-input  readonly   type="textarea" v-model="form.details" placeholder="请输入任务详情" />
        </el-form-item>
        <el-form-item label="截至时间"  prop="endTime">
          <el-date-picker clearable
                          readonly
                          v-model="form.endTime"
                          type="date"
                          value-format="yyyy-MM-dd"
                          placeholder="请选择截至时间">
          </el-date-picker>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="fetchTask">确 定</el-button>
        <el-button @click="cancelTask">取 消</el-button>
      </div>
    </el-dialog>


    <!-- 添加或修改领取任务对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入标题" />
        </el-form-item>
        <el-form-item label="任务详情" prop="details">
          <el-input v-model="form.details" placeholder="请输入任务详情" />
        </el-form-item>
        <el-form-item label="领取数量" prop="count">
          <el-input v-model="form.count" placeholder="请输入领取数量" />
        </el-form-item>
        <el-form-item label="是否一次性任务" prop="single">
          <el-input v-model="form.single" placeholder="请输入是否一次性任务" />
        </el-form-item>
        <el-form-item label="截至时间" prop="endTime">
          <el-date-picker clearable
            v-model="form.endTime"
            type="date"
            value-format="yyyy-MM-dd"
            placeholder="请选择截至时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="任务人" prop="taskPersonName">
          <el-input v-model="form.taskPersonName" placeholder="请输入任务人" />
        </el-form-item>
        <el-form-item label="任务人id" prop="taskPersonId">
          <el-input v-model="form.taskPersonId" placeholder="请输入任务人id" />
        </el-form-item>
        <el-form-item label="结果描述" prop="resultsDescription">
          <el-input v-model="form.resultsDescription" placeholder="请输入结果描述" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {listTask, getTask, delTask, addTask, updateTask, teacherFetchTask} from "@/api/teacher/task";

export default {
  name: "Task",
  data() {
    return {
      taskOpen:false,
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 领取任务表格数据
      taskList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        id: null,
        title: null,
        details: null,
        status: null,
        count: null,
        single: null,
        endTime: null,
        taskPersonName: null,
        taskPersonId: null,
        resultsDescription: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    cancelTask(){
      this.taskOpen=false;
      this.reset();
    },
    //获取任务
    fetchTask(){
      teacherFetchTask(this.form).then(res=>{
        if(res.code==200){
          this.taskOpen=false;
          this.$message.success("领取任务成功")
          this.getList();
        }else{
          this.$message.error(res.msg)
        }
      })
    },


    /** 查询领取任务列表 */
    getList() {
      this.loading = true;
      listTask(this.queryParams).then(response => {
        this.taskList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        title: null,
        details: null,
        status: null,
        count: null,
        single: null,
        createTime: null,
        endTime: null,
        taskPersonName: null,
        taskPersonId: null,
        resultsDescription: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加领取任务";
    },
    getTaskHandle(row){
      this.reset();
      const id = row.id || this.ids
        let assign = Object.assign(row);
        this.form.title=assign.title;
        this.form.details=assign.details;
        this.form.endTime=assign.endTime;
        this.form.id=id;
        this.taskOpen = true;
        this.title = "领取任务";
    },

    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getTask(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改领取任务";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateTask(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addTask(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除领取任务编号为"' + ids + '"的数据项？').then(function() {
        return delTask(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('teacher/task/export', {
        ...this.queryParams
      }, `task_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
